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Finding the Fourth Proportional to 61,383.12, 92,079.90 and 17,009.88

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Solution

The fourth proportional to 61,383.12, 92,079.90 and 17,009.88 is: 25,516.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,383.12 : 92,079.90 = 17,009.88 : x
  2. Step 2: Convert to fraction form
    61,383.12/92,079.90 = 17,009.88/x
  3. Step 3: Cross multiply
    61,383.12x = 92,079.90 × 17,009.88
  4. Step 4: Simplify right side
    61,383.12x = 1,566,268,049.41
  5. Step 5: Solve for x
    x = 1,566,268,049.41/61,383.12
  6. Step 6: Final answer
    x = 25,516.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.